Yes, '50 Shades of Grey' was inspired by a piece of Twilight fan fiction, which in a sense has roots in real - life inspiration of the author's fantasies and ideas, though it is highly fictionalized and dramatized.
Well, '50 Shades of Grey' has elements that are claimed to be based on a true story. The original idea might have come from real - life experiences or fantasies, but during the process of writing, a lot of creative liberties were taken. It's a complex mix of inspiration from real - life inklings and pure fictional elements like the extreme BDSM aspects which were amplified for the sake of the story.
Yes, it is loosely based on a true story. The author, E. L. James, was inspired by the Twilight series and started writing fan fiction which later evolved into 'Fifty Shades of Grey'. However, she added a lot of her own creative elements and fantasies to it, so while it has some roots in real - life inspiration, it's far from a pure true story.
Fifty Shades of Grey is not a true story. It's a work of fiction that emerged from the creative mind of the writer. The characters and plotlines are entirely made up to captivate readers' interest.